CZT5551 Datasheet & Equivalents
NPN
SOT-223
General Purpose
Slkor
VCEO
160V
Ic Max
600mA
Pd Max
1.5W
hFE Gain
400
Quick Reference
The CZT5551 is a NPN bipolar junction transistor in a SOT-223 package, manufactured by Slkor. It supports a breakdown voltage of 160V and continuous collector current of 600mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Slkor | Original Manufacturer |
| Package | SOT-223 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 160V | Max breakdown voltage |
| Collector Current (Ic) | 600mA | Max current handling |
| Power Dissipation (Pd) | 1.5W | Max thermal limit |
| DC Current Gain (hFE) | 400 | Base signal amplification ratio |
| Transition Frequency (fT) | 100MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 200mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 6V | Max emitter-base breakdown |
| Collector Cutoff Current | 50nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| CZT5551-JSM | NPN | SOT-223 | 160V | 600mA | 250 | 2W | JSMSEMI 📄 PDF |
| PZT5551-TP | NPN | SOT-223 | 160V | 600mA | 250 | 1W | MCC 📄 PDF |
| CZT5551 TR | NPN | SOT-223 | 160V | 600mA | 80 | 2W | Central 📄 PDF |
| DZT5551-13 | NPN | SOT-223 | 160V | 600mA | 80 | 2W | DIODES 📄 PDF |
| DZT5551Q-13 | NPN | SOT-223 | 160V | 600mA | 80 | 2W | DIODES 📄 PDF |
| ZXTN5551GTA | NPN | SOT-223 | 160V | 600mA | 80 | 2W | DIODES 📄 PDF |
| PZT5551G-B-AA3-R | NPN | SOT-223 | 160V | 690mA | 400 | 2W | UTC 📄 PDF |
| STN2580 | NPN | SOT-223 | 400V | 1A | 60 | 1.6W | ST 📄 PDF |
| STN83003 | NPN | SOT-223 | 400V | 1.5A | 16 | 1.6W | ST 📄 PDF |